"Tag this Build" fails for 1.311+ with SVN Plugin

Details

Description

We are running with Subversion SCM and it looks like the tagging feature no
longer works ("Tag this build".) After a clean restart of Hudson, below is the
error message you get the first time you try to tag. Subsequent attempts don't
display anything, it just resets the page. In neither case does the tag actually
take place in SVN.

I have tested this in 1.311 as well as 1.314 and the problem continues to
exists. I haven't tried prior to 1.311 since I don't want to downgrade SVNkit in
case there's workspace working copy version problems with the downgrade. If I
had to guess i presume it's something to do with SVNkit upgrade of the new
isolation of the SVN support in the recent builds?

====
Tagging svn://.../trunk (rev.23689) to svn://.../tags/test

tried to access field hudson.scm.AbstractScmTagAction.build from class
hudson.scm.SubversionTagAction$TagWorkerThread

java.lang.IllegalAccessError: tried to access field
hudson.scm.AbstractScmTagAction.build from class
hudson.scm.SubversionTagAction$TagWorkerThread
at
hudson.scm.SubversionTagAction$TagWorkerThread.perform(SubversionTagAction.java:204)
at hudson.model.TaskThread.run(TaskThread.java:116)